english
Do not incinerate the battery pack.
Package Contents
The package contains:
1 Cordless rotary hammerdrill
1 Side handle and depth rod
1 Charger
1 Battery pack (D1, L1, M1, P1)
2 Battery packs (D2, L2, M2, P2)
3 Battery packs (D3, L3, M3, P3)
1 Keyless chuck (DCH254, DCH274)
1 Kit box
1 Instruction manual
NOTE: Battery packs and chargers are not included
with N-models.
• Check for damage to the tool, parts or
accessories which may have occurred
during transport.
• Take the time to thoroughly read and
understand this manual prior to operation.
Description (Fig. 1, 3, 7)
WARNING: Never modify the power
tool or any part of it. Damage or
personal injury could result.
A. Variable speed switch
B. Forward/reverse button
C. Mode selector
D. Worklight (DCH143, DCH253, DCH254,
DCH273, DCH274)
E. Side handle
F. Battery pack
G. Release button
H. Main handle
I. Drill bit symbol (rotary drilling mode)
J. Hammerdrilling symbol (rotary hammering
mode)
K. Hammer symbol (hammering only mode)
L. SDS Plus
tool holder
®
M. Sleeve
N. Fuel gauge button
O. Dust cover
P. Locking collar
42
Q. Keyless chuck (DCH254, DCH274)
R. Belt hook (DCH273, DCH274)
S. Mode selector button
T. Dust extraction system electrical connection
INTENDED USE
Your DCH143, DCH243, DCH253, DCH254,
DCH273 and DCH274 cordless rotary hammerdrills
have been designed for professional drilling and
hammerdrilling applications, as well as screwdriving
and chipping applications.
DO NOT use under wet conditions or in presence of
flammable liquids or gases.
These hammerdrills are professional power tools.
DO NOT let children come into contact with the
tool. Supervision is required when inexperienced
operators use this tool.
• Young children and the infirm. This appliance
is not intended for use by young children or
infirm persons without supervision.
• This product is not intended for use by persons
(including children) suffering from diminished
physical, sensory or mental abilities; lack of
experience, knowledge or skills unless they are
supervised by a person responsible for their
safety. Children should never be left alone with
this product.
Electrical Safety
The electric motor has been designed for one
voltage only. Always check that the battery pack
voltage corresponds to the voltage on the rating
plate. Also make sure that the voltage of your
charger corresponds to that of your mains.
Your D
WALT charger is double insulated
e
in accordance with EN60335; therefore
no earth wire is required.
If the supply cord is damaged, it must be replaced
by a specially prepared cord available through the
D
WALT service organization.
e
Mains Plug Replacement
(U.K. & Ireland Only)
If a new mains plug needs to be fitted:
• Safely dispose of the old plug.
• Connect the brown lead to the live terminal in
the plug.
• Connect the blue lead to the neutral terminal.
WARNING: No connection is to be
made to the earth terminal.